Sentences with phrase «nanoparticles uses of nanoparticles»

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Phase I funding — which allows up to $ 250,000 for an academic idea, such as decoding the genetic sequence of a protein or studying targeted drug delivery by using magnetic nanoparticles — is available from federal funding and foundations.

Cambridge, MA — February 6, 2017 — Aura Biosciences, a biotechnology company developing a new class of therapies to target and selectively destroy cancer cells using viral nanoparticle conjugates, announced today that the U.S. Food and Drug Administration (FDA) has cleared the investigational new drug application (IND) for the company's lead program, light - activated AU - 011 in ocular melanoma (OM).

Cambridge, MA — December 21, 2017 — Aura Biosciences, a biotechnology company developing a new class of therapies to target and selectively destroy cancer cells using viral nanoparticle conjugates, announced today that it closed a $ 30 million Series C financing.

Cambridge, MA — March 30, 2017 — Aura Biosciences, a biotechnology company developing a new class of therapies to target and selectively destroy cancer cells using viral nanoparticle conjugates, announced today that it has enrolled and dosed the first patient in its Phase 1b clinical trial of light - activated AU - 011, an investigational, first - in - class targeted therapy in development for the treatment of ocular melanoma, a rare and life - threatening disease.

Metal oxides such as zinc oxide and titanium dioxide are increasingly being used in sunscreens and cosmetics in the form of nanoparticles — microscopic particles of matter measured on the nanoscale.

Antimicrobials such as nanoparticles of silver or titanium dioxide can be used in packaging to prevent spoilage of foods.

The researchers used an ultrastable, variable - temperature stage in an aberration - corrected scanning transmission electron microscope to subject an array of size - selected gold nanoparticles (or clusters) to temperatures as high as 500 °C while imaging them with atomic resolution.

«We envision that these photo - responsive polymer - capped gold nanoparticles could one day serve as nano - carriers for drug delivery into the body using our robust and reversible process for assembly and disassembly,» said Zhiqun Lin, a professor in the Georgia Tech School of Materials Science and Engineering.

«We envision that our nanoparticle therapy could be used to speed the healing of all sorts of wounds, including everyday cuts and burns, surgical incisions, and chronic skin ulcers, which are a particular problem in the elderly and people with diabetes,» said study co-leader David J. Sharp, Ph.D., professor of physiology & biophysics at Einstein.

These new, non-invasive tools — representing significant advances related to positron emission tomography (PET), 3 - D microscopy and the use of magnetic fields and nanoparticles to remotely control targeted cells...

As a proof of concept for this study, the researchers tested the plant virus - derived nanoparticles with a nematicide called crystal violet, which has been used to kill nematodes on skin but not in agriculture.

This clinical study, published in the Proceedings of the National Academy of Sciences, tested the possibility of imaging inflammation in the pancreas of human volunteers using ferumoxytol, a coated iron nanoparticle approved by the FDA as an iron replacement therapy, and MRI.

«We use biological nanoparticles — a plant virus — to deliver a pesticide,» said Paul Chariou, a PhD student in biomedical engineering at Case Western Reserve and author of a study on the process published in the journal ACS Nano.

The team demonstrated that cell sex considerably influenced cellular uptake of nanoparticles and found that cells from men and women responded differently to reprogramming techniques used to enhance the ability of the cells to differentiate into a greater variety of cell types.

The catalyst was synthesized from chloroauric acid using glutathione as a capping agent to prevent nanoparticle aggregation, resulting the formation of small size of gold nanoparticles.

On / off switching of hydrogen production was achieved using the nanoparticle catalyst because it could be easily separated from its organosilane substrate by filtration.

«Use of the nanoparticle increases soil diffusion while decreasing the risk of leaching and runoff, reducing the amount of chemical in food crops and reducing the cost to treat crops.»

In a paper published in the current online issue of the journal Small, titled «Immune Cell - Mediated Biodegradable Theranostic Nanoparticles for Melanoma Targeting,» the researchers report the use of a novel biodegradable and photoluminescent poly (lactic acid) nanoparticle, loaded with melanoma - specific drugs with immune cells as the nanoparticle carriers.

«For years, researchers have focused on delivering more chemotherapy drugs into cancer cells using nanoparticles, without targeting the root of drug resistance,» He said.

They use a near - infrared laser beam, which can penetrate deep — in this context, deep means a centimeter or two — into the tissue, where a nanoparticle turns the near - infrared light into blue light, and that directs the activity of genetically engineered immune cells.

Their research, published online Sunday in Nature Nanotechnology, involved the use of cobalt oxide nanoparticles to split water into hydrogen and oxygen.

A «Trojan horse» treatment for an aggressive form of brain cancer, which involves using tiny nanoparticles of gold to kill tumour cells, has been successfully tested by scientists.

To address this challenge, our research group is using nanoparticles not only to deliver more chemotherapy drugs to the target site within cancer cells, but also to compromise the function of the efflux pumps and thereby significantly improve safety and efficacy of cancer therapy.»

Scientists at the University of Florida Particle Engineering Research Center and personal products manufacturer Kimberly - Clark recently found an answer by coating silica nanoparticles with copper ions, a potent odor - fighting combination that could be used in powders and spritzes, mixed with cat litter, or embedded in products like garbage bags.

So did using much larger particles of cobalt - chromium in place of the nanoparticles.

Magnetotactic bacteria can even sense the earth's magnetic field by making use of magnetic nanoparticles in their interior that act as an internal compass.

The technique can be applied in myriad ways, some of which include droplet - based microreactors (devices used in chemical synthesis), nanoparticle synthesis, tissue engineering, drug discovery and drug delivery monitoring.

«What's unique about this paper is that we show not the use of metal particles, not the use of metal nanoparticles, but the use of atoms,» Tour said.

In earlier work, Demir Akin of Stanford University and his colleagues used antibodies and nanoparticles to attach molecules of DNA to weakened Listeria monocytogenes, which is a bacterium responsible for many cases of food poisoning.

To create a new dengue virus vaccine, Stefan Metz, Shaomin Tian in the laboratories of Aravinda de Silva, Chris Luft and Joe DeSimone at the University of Carolina, Chapel Hill, USA designed nanoparticles of various shapes and sizes using Particle Replication in Non-wetting Template (PRINT) technology.

Scanning tunneling microscopy, which produces images of individual atoms on a surface, was used to view the behavior of the platinum nanoparticles on the graphene.

The nanoparticles were 30 - nanometre - wide beads of surgical cobalt - chromium alloy, a material used in much larger pieces to make surgical implants such as hip prostheses.

An industry group, the Silver Nanotechnology Working Group, said that there has been a long history of safe, regulated use of ionic silver, which «suggests that the EPA is adequately managing the risks of silver nanoparticles.»

Wilson, the sporting goods manufacturer, has nanoengineered layers of clay to double the playing life of its Double Core tennis balls; L'Oréal uses nanoscale particles and capsules in their cosmetic creams that allow replenishing ingredients to penetrate deep into the skin; and the Australian company Advanced Powder Technology has created Zinclear, a translucent zinc oxide sunblock composed of nanoparticles as small as the tiniest known viruses.

The experimental pilot study evaluated the use of magnet - directed nanoparticles containing the local anesthetic drug ropivacaine (MNP / Ropiv) to produce anesthesia of the limbs.

A technique using anesthesia - containing nanoparticles — drawn to the targeted area of the body by magnets — could one day provide a useful alternative to nerve block for local anesthesia in patients, suggests an experimental study in the April issue of Anesthesia & Analgesia, official journal of the International Anesthesia Research Society (IARS).

Magnet - directed nanoparticles have previously been used for targeted delivery of chemotherapy drugs.

To demonstrate one potential use of the nanoparticles, the research team used them as advanced catalysts for ammonia oxidation, which is a key step in the production of nitric acid (a liquid acid that is used in the production of ammonium nitrate for fertilizers, making plastics, and in the manufacturing of dyes).

The second visualization was a movie captured at 23,000 - times magnification that revealed the movements of a group of nanoparticles reacting to an electron beam, which mimics the effects of the infrared radiation used in cancer therapies.

«Using our new technique, we could not only see that individual nanoparticles showed different extents of reaction at a given time, but also how the reaction worked its way through the interior of each nanoparticle,» Cabana said.

The researchers used a coherent, nanoscale beam of X-rays generated by the high - flux synchrotron accelerator at the Advanced Light Source to interrogate each nanoparticle.

In general, catalysts are rare metals (platinum, for example), which are often used in the form of nanoparticles.

The produced aerosol is directed over the heated substrate using a stream of nitrogen gas resulting into a polycrystalline thin film grown on the chalcopyrite substrate over time with embedded nanoparticles of platinum.

Clever use of a microscopic resonator can quickly measure the masses of proteins and gold nanoparticles.

Use of nanoparticles in many applications, e.g. for catalysis, relies on the surface area of the particles.

The tiny nanoparticles used for catalysis often consist of only a few platinum atoms.

Rubner used nanoparticles made of silica, the same material glass is made of, to create a coating with a rough surface.

Now, Johns Hopkins researchers report they have used nanoparticles to successfully deliver a new therapy to glioma cells in the brains of rats, prolonging their lives.

Fiering is testing the use of heat in combination with nanoparticles.

Instead of simply applying an antibiotic to the teeth, they took advantage of the pH - sensitive and enzyme - like properties of iron - containing nanoparticles to catalyze the activity of hydrogen peroxide, a commonly used natural antiseptic.